Improvement in locks



UNITED STATES PATENT ()EFICE.

oABLBS oLAUDE, of Novv oBK, N. Y.

IMPRoVEMENT IN LooKs Speoiofion fofming poft of Iettofs Fotont No. ,297, doted May L 1866,

Be it knoWn that I, OHABLES LUD, of the oify, oonnty ond State of eW ofk, hove invonted o neW ond nSefL11 IInpfovefnent in LookS; mld I (10 hefeby deolofe thof the fol- 10vving iS f L11, oleof, and eXoot dosofiption thofeof, Tvhioh vill enoble othefS Skilled in the ft to Inako ond nSe tho So1o,fe1ofenoo being -11ad to tho aoooIflpanying dfowings, fofming o )oft of thiS Spooifiotion, in vhioh I igofo 1 fepfeSentS an insido elovation of thiS invention, the baok plote being )offially broken owo so os to eX oSe the IneohauiSn1 of the look. ig. 2 iS o tfonSvefSe voftioa1 Seotion of fhe SnIne, tho line oo 1 ig. 1, iHdi oating tho plone of Seotion. ig. 3 iS o detachod elovotion of the kex ig. 4E iS o de toohed inefteo ]on of the bHok loto.

ShnHof leftefS of fofofenoe indioato like pftSl ThiS iDvention felotes to o look whiob is looked and onlookod by IneonS of ke With o hinged bit. hiS ke iS inffodoood thfongh in the baok plate, ond to fho innef sido of whioh o diSk is ottached Whioh oaffieS guafd fof the pofpoSe of tHting the bit of the key s tho some enef eS from the inner ond of the ke hole, and lioh also ooffieS noSe fof the )[1fose of 1)nShing baok the bolt of 1Ifoh. Sai(1 bolt iS heId in )oSitio and fevented ffonJ tnfning SpontaneouSly, of ff'om boing tofned with anothef inStfument beSides the key, by one of I]0fe tuInblefS Whioh afe adjuSte(1 by the bit of tho key When the look iS fo be un- 1ooked.

J fe )feSe11tS o oaSe, of Sheet Inetol of ony otller Suitoble Ilatefia1, ond of ony oonveDient fofm ond shape. Io tho flonb end of thiS caSe iS o suitablo Slob to odmit the head of tho lotoh of bolt B, and tI1o Shonk of Sai(1 1ofoh iS gnided in fofko(1- Stnd, o, of by ony othef Snitable meons. A Spfing, 0 hoS o tendenoy to keep the head of the lofoh oub in the )OSition in Which the Same iS ShoWn in i 1 of the dfWingS.

K is tho key, the bib o of Whioh iS hinged to itS Shonk So that it oon bo bfoughf in line With SaJi(l shonk of tufned at fight ongleS vith tho sane. hiS key iS inffodooed thfough aJ tube,

]), Whioh fevolvoS i11 o Suitablo Sooket, of, in the book plate, of the look.

In ofdef to oonSe the tnbe 1) to fevolve by the ootion of tho key, Soid key iS pfovidod With o pfojeotion, o, Whioh fifS into o longitndina1 gfoove, in the tube. on tbe innef end of sai(1 tnbo iS Seonfed o disk, o, yhioh oaffies o gnafd, Z&, in Soh o poSition tht tho bif on etnefging from tho innef end of tho key-hole, StfikoS Soi(1 gnofd ond tiltS ovef to tho )osition shOWn in fi s. 2 ond 4, ano o, noSe,

`vhioh iS fifIn1 Seoufed to tho diSk o ond pfo v jeotS beyond itS pefiphefy, ootS ogoinst o lip, 7 011 the Shonk of the lotoh B, on(1 forooS Sid lotoh book Whonever the diSk iS fototed in tho oifeotion of the affow morkeoon it in I i .1. Soid diSk oud tnbe D afe pfevented fI oIn being fototed ontH the fomblefS E afo bfonght in Suoh o position tbot theif longitndinol Slots fo fegiStof Wh tho Stop-ph1 Z, pfojooting ffom the innef Snffooe of the diSk. he tL1I1blefs ofe )ivoto1 to the innef suffaoe of the back lote, ond S rin S m have o tendenoy to fofoe the Same in the difeotion of the offow mafked on theln in ig. llntil the edgeS of the 1tefa1 slotS Sffike tho )in Z. ftef the key iS intfoduoed into tho koy hole if mosf fSt be tnfned, So thob itS bit sofikeS the edges of tho ton1blofS ond briugS then1 in Sooh oJ position that aIl the longidinol slofS Zc fegiStof wifh tho )if1 Z, and vhen this hoS beon ooooInpliShed the (1iSk ond koy tufn togethof and the lotoh iS fofoed baok.

This look iS vofy Simplo in itS oonStfuotion, it iS Safe, nd it oaJI111ot eaSily be opened by on othef inStfnolent eXoopt the pfopef key. It iS intende(1 poftiouloHy fof o nigh b-latoh, bob the soIIe mechoniSn1 oan olSo be nSe(l fof on ofdi nofy look.

vVhat I olain1 os neW, and (lesife to soonfe by IottofS I otollt, iS

Tho tobe D and (1isk of plote o, pfovide(1 With o gnafd, o, noSe f, ond Stop1)in Z,in oo11- binotion Wibh the hinged bif of the key 1, lotoh of bolb B, ond one of lnofe tn I1blefS, al1 oonStfuoted ond opefoting SnbStntiaJ11y aS and fof the pofpoSe Seb fofth.

vVitneSSes: oHoBLBS ofAUDE.

. 1[. IIvINGSfoN, VV. [AU. 

